Combine flour, sugar, soda and salt; add eggs, salad oil (do not beat). Add pineapple and juice, bananas, nut. Put in a 9 x 13 pan. Bake at 350 for approximately 60 minutes or until a toothpick inserted in the center comes out clean. Cream cheese frosting is perfect on this cake. The cake can be frozen and brought out and iced at a future date.